A. iron(ii)Sulphide
B. tin(ii)sulphide
C. Zinc Sulphide
D. lead(iv) Sulphide

Correct Answer:

Option C – Zinc Sulphide


ZnS (Zinc Sulfide) screen was used because it emits a flash of light when struck by an alpha particle.

This is a phenomenon called Radio luminescence in which a flash of light is observed on the screen when acted upon by a radioactive substance.

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